.page-products {
  --feat-rail-w: 236px;
  --feat-gap: 16px;
  --feat-amber-soft: rgba(255, 162, 60, 0.10);
  --feat-cyan-soft: rgba(53, 240, 200, 0.08);
}

/* ---------- 首屏 ---------- */
.page-products .feat-hero {
  padding-top: 26px;
  background:
    radial-gradient(760px 360px at 8% -20%, rgba(53, 240, 200, 0.12), transparent 68%),
    radial-gradient(520px 300px at 96% 0%, rgba(255, 162, 60, 0.07), transparent 70%);
}

.page-products .feat-hero-grid {
  row-gap: 28px;
  align-items: start;
  margin-top: 18px;
}

.page-products .feat-lede {
  margin: 16px 0 24px;
  font-size: 17px;
  line-height: 1.85;
  color: var(--text);
  max-width: 48ch;
}

.page-products .feat-actions {
  gap: 12px;
}

.page-products .feat-slices {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .feat-slice {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 14px 18px;
  background: linear-gradient(180deg, rgba(10, 46, 39, 0.92), rgba(5, 32, 26, 0.92));
}

.page-products .feat-slice-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums slashed-zero;
  font-size: 30px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cyan);
}

.page-products .feat-slice-num small {
  font-size: 14px;
  margin-left: 2px;
  color: var(--teal);
}

.page-products .feat-slice-label {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  line-height: 1.5;
  color: var(--muted);
}

/* ---------- 功能分区 ---------- */
.page-products .feat-features {
  border-top: 1px solid var(--line);
}

.page-products .feat-tabs {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  margin-top: 28px;
}

.page-products .feat-rail {
  border: 1px solid var(--line);
  background: rgba(10, 46, 39, 0.55);
  padding: 12px;
}

.page-products .feat-rail-label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-products .feat-list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  -webkit-overflow-scrolling: touch;
}

.page-products .feat-tab {
  position: relative;
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  padding: 11px 14px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.4;
  text-align: left;
  white-space: nowrap;
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-products .feat-tab:hover {
  color: var(--text);
  border-color: var(--line);
  background: rgba(23, 66, 58, 0.35);
}

.page-products .feat-tab[data-active],
.page-products .feat-tab[aria-selected="true"] {
  color: var(--text);
  border-color: var(--amber);
  background: var(--feat-amber-soft);
}

.page-products .feat-tab-idx {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
  transition: color var(--dur) var(--ease);
}

.page-products .feat-tab[data-active] .feat-tab-idx,
.page-products .feat-tab[aria-selected="true"] .feat-tab-idx {
  color: var(--amber);
}

.page-products .feat-tab-text {
  font-weight: 500;
}

.page-products .feat-tab-dot {
  width: 6px;
  height: 6px;
  margin-left: auto;
  border-radius: 50%;
  background: var(--line);
  transition: background-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-products .feat-tab[data-active] .feat-tab-dot,
.page-products .feat-tab[aria-selected="true"] .feat-tab-dot {
  background: var(--amber);
  box-shadow: 0 0 0 3px rgba(255, 162, 60, 0.20);
}

.page-products .feat-panels {
  position: relative;
  min-width: 0;
}

.page-products .feat-panel {
  border-top: 1px solid var(--line);
  padding-top: 20px;
}

.page-products .feat-panel + .feat-panel {
  margin-top: 32px;
}

.page-products .feat-headline {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(26px, 6.4vw, 40px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-products .feat-sub {
  margin: 0 0 22px;
  font-size: 17px;
  line-height: 1.85;
  color: var(--text);
  max-width: 62ch;
}

.page-products .feat-points {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-bottom: 22px;
}

.page-products .feat-point {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 18px 18px;
  background: var(--ink);
  transition: background-color var(--dur) var(--ease);
}

.page-products .feat-point:hover {
  background: rgba(10, 46, 39, 0.85);
}

.page-products .feat-point-key {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-products .feat-point p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--text);
}

.page-products .feat-figure {
  margin: 0;
  border: 1px solid var(--line);
  background: rgba(10, 46, 39, 0.46);
  transition: border-color var(--dur) var(--ease);
}

.page-products .feat-figure:hover {
  border-color: var(--cyan);
}

.page-products .feat-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* 导出格式卡 */
.page-products .feat-formats {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-bottom: 22px;
}

.page-products .feat-format {
  border: 1px solid var(--line);
  background: rgba(10, 46, 39, 0.6);
  padding: 16px 18px 18px;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .feat-format:hover {
  border-color: var(--cyan);
  transform: translateY(-4px);
}

.page-products .feat-format-head {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.page-products .feat-format-head h4 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-products .feat-format p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 使用场景 ---------- */
.page-products .feat-scenes-section {
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(10, 46, 39, 0.42), rgba(5, 32, 26, 0));
}

.page-products .feat-scenes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 26px;
}

.page-products .feat-scene {
  position: relative;
  border: 1px solid var(--line);
  background: rgba(5, 32, 26, 0.72);
  padding: 20px 18px 22px;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .feat-scene:hover {
  border-color: var(--cyan);
  transform: translateY(-4px);
}

.page-products .feat-scene-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.22em;
  color: var(--amber);
  margin-bottom: 12px;
}

.page-products .feat-scene h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-products .feat-scene p {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text);
}

.page-products .feat-scene-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .feat-scene-list li {
  position: relative;
  padding: 9px 0 9px 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
}

.page-products .feat-scene-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 6px;
  height: 1px;
  background: var(--teal);
}

.page-products .feat-figure--wide {
  margin-top: 26px;
}

/* ---------- 版本对照 ---------- */
.page-products .feat-versions {
  border-top: 1px solid var(--line);
}

.page-products .feat-table-wrap {
  margin-top: 26px;
  border: 1px solid var(--line);
  overflow-x: auto;
}

.page-products .feat-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
}

.page-products .feat-table caption {
  padding: 14px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.12em;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
}

.page-products .feat-table th,
.page-products .feat-table td {
  padding: 14px 16px;
  text-align: left;
  font-size: 15.5px;
  line-height: 1.6;
  border-bottom: 1px solid var(--line);
  color: var(--text);
}

.page-products .feat-table thead th {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  font-weight: 500;
  color: var(--muted);
  background: rgba(53, 240, 200, 0.05);
}

.page-products .feat-table tbody th {
  font-weight: 500;
  color: var(--muted);
}

.page-products .feat-table tbody tr:nth-child(even) {
  background: rgba(23, 66, 58, 0.26);
}

.page-products .feat-table tbody tr:hover {
  background: rgba(53, 240, 200, 0.07);
}

.page-products .feat-table tbody tr:last-child th,
.page-products .feat-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .feat-val {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums slashed-zero;
  font-size: 14.5px;
  color: var(--teal);
}

.page-products .feat-val--now {
  color: var(--cyan);
}

.page-products .feat-val .tag {
  margin-left: 8px;
}

.page-products .feat-versions-foot {
  margin: 18px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 68ch;
}

.page-products .feat-versions-foot strong {
  color: var(--text);
  font-weight: 500;
}

/* ---------- 收束 ---------- */
.page-products .feat-next {
  border-top: 1px solid var(--line);
}

.page-products .feat-next-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.page-products .feat-next-lead h2 {
  margin: 8px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(26px, 5.4vw, 38px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-products .feat-next-lead p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 40ch;
}

.page-products .feat-links {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .feat-link {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 4px;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  transition: background-color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-products .feat-link:hover {
  background: var(--feat-cyan-soft);
  padding-left: 12px;
}

.page-products .feat-link-idx {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--amber);
  padding-top: 4px;
}

.page-products .feat-link-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-products .feat-link-body strong {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0;
  color: var(--cyan);
}

.page-products .feat-link-body em {
  font-style: normal;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-products .feat-points {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .feat-formats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .feat-scenes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .feat-scenes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .feat-next-inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 40px;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-products .feat-hero {
    padding-top: 38px;
  }

  .page-products .feat-tabs {
    grid-template-columns: var(--feat-rail-w) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

  .page-products .feat-rail {
    position: sticky;
    top: 88px;
    padding: 16px 12px;
  }

  .page-products .feat-list {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-products .feat-tab {
    width: 100%;
    white-space: normal;
  }

  .page-products .feat-tab[data-active],
  .page-products .feat-tab[aria-selected="true"] {
    box-shadow: inset 3px 0 0 var(--amber);
  }

  .page-products .feat-panel + .feat-panel {
    margin-top: 0;
  }

  .page-products .feat-headline {
    font-size: clamp(30px, 3.2vw, 40px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .feat-tab,
  .page-products .feat-format,
  .page-products .feat-scene,
  .page-products .feat-link,
  .page-products .feat-point,
  .page-products .feat-figure {
    transition: none;
  }

  .page-products .feat-format:hover,
  .page-products .feat-scene:hover {
    transform: none;
  }
}